6368422739 has 6 divisors (see below), whose sum is σ = 7408165284. Its totient is φ = 5458648020.

The previous prime is 6368422733. The next prime is 6368422757. The reversal of 6368422739 is 9372248636.

It is not a de Polignac number, because 6368422739 - 2⁸ = 6368422483 is a prime.

It is a super-2 number, since 2×6368422739² = 81113616365224524242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6368422733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64983857 + ... + 64983954.

It is an arithmetic number, because the mean of its divisors is an integer number (1234694214).

Almost surely, 2^6368422739 is an apocalyptic number.

6368422739 is a deficient number, since it is larger than the sum of its proper divisors (1039742545).

6368422739 is a wasteful number, since it uses less digits than its factorization.

6368422739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129967825 (or 129967818 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The square root of 6368422739 is about 79802.3980780026. The cubic root of 6368422739 is about 1853.5769838828.

The spelling of 6368422739 in words is "six billion, three hundred sixty-eight million, four hundred twenty-two thousand, seven hundred thirty-nine".